carotenoid
noun
ca·rot·en·oid
kə-ˈrä-tə-ˌnȯid 
variants
or less commonly carotinoid
: any of various usually yellow to red pigments (such as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid
adjective
Examples of carotenoid in a Sentence
Recent Examples on the Web
In addition to vitamin D, salmon is high in protein, B vitamins, potassium, selenium, and the carotenoid antioxidant astaxanthin.
—
Jillian Kubala, Health, 6 Apr. 2026
For instance, one study found that regularly eating avocado can boost the amount of antioxidants the body absorbs when paired with carotenoid-rich foods.
—Kathleen Ferraro, Verywell Health, 2 Apr. 2026
Minari has a high water content, a measurable amount of dietary fiber, and minerals such as potassium, calcium, and iron, as well as vitamin C and carotenoids, some of which the body can convert into vitamin A.
—Frannie Comstock, Encyclopedia Britannica, 24 Mar. 2026
Pink and red roses get their color from anthocyanin pigments, whereas yellow roses get theirs from carotenoid pigments.
—Joshua Siskin, Oc Register, 21 Mar. 2026
See All Example Sentences for carotenoid
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jillian Kubala, Health, 6 Apr. 2026
For instance, one study found that regularly eating avocado can boost the amount of antioxidants the body absorbs when paired with carotenoid-rich foods.
—Kathleen Ferraro, Verywell Health, 2 Apr. 2026
Minari has a high water content, a measurable amount of dietary fiber, and minerals such as potassium, calcium, and iron, as well as vitamin C and carotenoids, some of which the body can convert into vitamin A.
—Frannie Comstock, Encyclopedia Britannica, 24 Mar. 2026
Pink and red roses get their color from anthocyanin pigments, whereas yellow roses get theirs from carotenoid pigments.
—Joshua Siskin, Oc Register, 21 Mar. 2026
See All Example Sentences for carotenoid
Cite this Entry
“Carotenoid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carotenoid. Accessed 12 Apr. 2026.
Copy CitationMedical Definition
carotenoid
noun
ca·rot·en·oid
variants
also carotinoid
: any of various usually yellow to red pigments (as carotenes) found widely in plants and animals and characterized chemically by a long aliphatic polyene chain composed of eight isoprene units
carotenoid
adjective
Love words? Need even more definitions?
Merriam-Webster unabridged
